Finding the Fourth Proportional to 1,235,413,862.26, 1,853,119,306.50 and 315,290,299.30
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Solution
The fourth proportional to 1,235,413,862.26, 1,853,119,306.50 and 315,290,299.30 is: 472,935,069.48
Step by Step Solution
- Step 1: Write the proportion equation
1,235,413,862.26 : 1,853,119,306.50 = 315,290,299.30 : x - Step 2: Convert to fraction form
1,235,413,862.26/1,853,119,306.50 = 315,290,299.30/x - Step 3: Cross multiply
1,235,413,862.26x = 1,853,119,306.50 × 315,290,299.30 - Step 4: Simplify right side
1,235,413,862.26x = 584,270,540,784,993,408 - Step 5: Solve for x
x = 584,270,540,784,993,408/1,235,413,862.26 - Step 6: Final answer
x = 472,935,069.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.